An Esp8266 Wifi based with a mini PIR motion detector for Domoticz.
The Esp8266 is a Wemos D1 mini. The motion detector is powered by a 18650 rechargable battery, which is rechargable by an external micro USB-connector. The PCB for the Lithium battery charger is placed underneath the Wemos
Software can be found on github.
The battery-holder was based on RFZ's 18650 Li-Ion battery-holder.
This is a 'work-in-progress' project.